Pith Number

pith:QKZYJZUL

pith:2013:QKZYJZULROSRB26YPOLRTDPNAM

not attested not anchored not stored refs pending

Slicing the Sierpi\'nski gasket

Andrew Ferguson, Bal\'azs B\'ar\'any, K\'aroly Simon

arxiv:1301.7077 v1 · 2013-01-29 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKZYJZULROSRB26YPOLRTDPNAM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:35:01.379309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82b384e68b8ba510ebd87b97198ded03249ed99c519ea2fbd3bd6bd14e226cd7

Aliases

arxiv: 1301.7077 · arxiv_version: 1301.7077v1 · doi: 10.48550/arxiv.1301.7077 · pith_short_12: QKZYJZULROSR · pith_short_16: QKZYJZULROSRB26Y · pith_short_8: QKZYJZUL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QKZYJZULROSRB26YPOLRTDPNAM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 82b384e68b8ba510ebd87b97198ded03249ed99c519ea2fbd3bd6bd14e226cd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64be2fe48f5fee5ed008fb1a4e42efe39036213b68023773e2972dcf99f62878",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-01-29T21:20:59Z",
    "title_canon_sha256": "0e228d05357696cc1df980e4d464d898504594df994ec68b8eb1681e541c2bd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7077",
    "kind": "arxiv",
    "version": 1
  }
}